WO2021057637A1 - Système de puce, circuit et dispositif de communication sans fil - Google Patents

Système de puce, circuit et dispositif de communication sans fil Download PDF

Info

Publication number
WO2021057637A1
WO2021057637A1 PCT/CN2020/116387 CN2020116387W WO2021057637A1 WO 2021057637 A1 WO2021057637 A1 WO 2021057637A1 CN 2020116387 W CN2020116387 W CN 2020116387W WO 2021057637 A1 WO2021057637 A1 WO 2021057637A1
Authority
WO
WIPO (PCT)
Prior art keywords
circuit
channel
port
fem
chip system
Prior art date
Application number
PCT/CN2020/116387
Other languages
English (en)
Chinese (zh)
Inventor
黄腾飞
俞泉
朱松
范保民
夏芳
刘进
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2021057637A1 publication Critical patent/WO2021057637A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits

Definitions

  • This application relates to the field of circuit technology, and in particular to a chip system, a circuit and a wireless communication device.
  • the wireless communication device in order to realize the data receiving and sending functions of the wireless communication device, is usually provided with a transceiver, a chip system and an antenna, and the chip system is usually arranged between the transceiver and the antenna.
  • the chip system is usually provided with a transmitting path, a receiving path, and a single-pole double-throw switch.
  • the single-pole double-throw switch connects the transmission path with the antenna, and the transceiver transmits the data to be sent to the chip system, and sends the data out through the transmission path and the antenna in the chip system.
  • the single-pole double-throw switch connects the receiving path to the antenna, the antenna receives the data, and sends the received data to the transceiver through the receiving path in the chip system, so that the wireless communication device can pass through the transceiver Data is received.
  • the circuit structure of the above-mentioned chip system is fixed, resulting in poor versatility of the chip system.
  • This application provides a chip system, a circuit and a wireless communication device, which improve the versatility of the chip system.
  • an embodiment of the present application provides a chip system, which includes an antenna port, at least one communication port, and at least two channel circuits corresponding to each communication port.
  • the first end of each channel circuit is connected to the corresponding communication port, the second end of each channel circuit is connected to the antenna port; the third end of each channel circuit is connected to the controller, and each channel circuit is used to receive the controller
  • the sent control signal is used to control the data received or sent by the channel circuit through the antenna port; the control signal is generated by the controller according to the first information and/or the second information of the chip system, and the first information includes at least the following One type: hardware version or country code, and the second information includes at least one of the following: location information, power, rate, or packet error rate.
  • each communication port corresponds to at least two channel circuits, that is, one channel (receiving channel or sending channel) includes at least two channel circuits, so that the chip system can pass through at least two channel circuits
  • different channel circuits process data differently, which in turn makes the data transmission achieve different effects.
  • it can be based on actual needs. (The effect achieved by data transmission is required), controlling the conduction of different channel circuits, so that the chip system can be applied to multiple communication scenarios with different transmission effect requirements, and the versatility of the chip system is improved.
  • the path includes the corresponding communication port and the circuit between the communication port and the antenna port.
  • the transmission path includes a transmission port and a circuit between the transmission port and the antenna port.
  • the receiving path includes the receiving port and the circuit between the receiving port and the antenna port.
  • the data transmission mode adopted by the chip system is time division multiplexing; one of all channel circuits in the chip system receives or sends data through the antenna port.
  • the chip system receives data through only one channel circuit at the same time, or sends data through only one channel circuit, so as to avoid interference between data on different channel circuits during data transmission.
  • the data transmission mode adopted by the chip system is frequency division multiplexing; M channel circuits in all channel circuits in the chip system receive or send data through the antenna port; where 1 ⁇ M ⁇ N, N is the number of communication ports, M is an integer, and N is an integer. When M is greater than or equal to 2, any two channel circuits in the M channel circuits do not correspond to the same communication port.
  • the chip system can receive and/or send data through one or more channel circuits at the same time, so that the data transmission efficiency of the chip system is higher.
  • the channel circuit includes a switch circuit and a peripheral circuit port, where the switch circuit is connected to the controller, and the switch circuit is used to receive control signals; the peripheral circuit port is used to connect to the peripheral circuit, and the same communication port corresponds to The peripheral circuit ports of different channel circuits are used to connect different peripheral circuits.
  • the channel circuit includes the peripheral circuit port, and the peripheral circuit is arranged outside the chip system.
  • the function of the chip system can be changed by changing the peripheral circuit. In this way, the complexity of the circuit in the chip system can be reduced, and the flexibility of the chip system design can also be improved.
  • the channel circuit includes a switch circuit and a peripheral circuit, where the switch circuit is connected to the controller, and the switch circuit is used to receive control signals; the peripheral circuits in different channel circuits are different.
  • the peripheral circuit is set inside the chip system, and there is no need to set the peripheral circuit outside the chip system, which makes the chip system more convenient to use.
  • the at least two channel circuits include a first channel circuit and a second channel circuit, wherein the first channel circuit includes a first switch circuit, the first switch circuit is connected to the controller, and the first switch circuit Used to receive control signals; the second channel circuit includes a second switch circuit and a second peripheral circuit port, the second switch circuit is connected to the controller, the second switch circuit is used to receive control signals, and the second peripheral circuit port is used to connect to the peripheral Circuit.
  • the first channel circuit further includes a first impedance matching circuit, or the first channel circuit further includes a first peripheral circuit port, and the first peripheral circuit port is used to connect to the first impedance matching circuit.
  • the first impedance matching circuit can reduce the attenuation of the signal and improve the performance of signal transmission.
  • the second channel circuit further includes a second impedance matching circuit; or, the second peripheral port circuit is also used to connect to the second impedance matching circuit.
  • the second impedance matching circuit can reduce the attenuation of the signal and improve the performance of signal transmission when the signal is transmitted in the second channel circuit.
  • At least one communication port includes a transmission port, and at least two channel circuits are channel circuits corresponding to the transmission port; the chip system further includes a power amplifier, wherein the power amplifier is connected to the transmission port and the at least two channels respectively. Circuit connection.
  • the power amplifier can perform power amplifying processing on the signal to be transmitted, so that the power for transmitting the signal is higher.
  • At least one communication port includes a receiving port, and at least two channel circuits are channel circuits corresponding to the receiving port; the chip system further includes a low-noise amplifier, wherein the low-noise amplifier is connected to the receiving port and the at least two channels respectively. Channel circuit connection.
  • the low-noise amplifier can process the received signal so that the quality of the processed signal is higher.
  • the at least one communication port includes a sending port and a receiving port
  • the at least two channel circuits include at least two channel circuits corresponding to the sending port and at least two channel circuits corresponding to the receiving port
  • the chip system further includes A power amplifier and a low noise amplifier, wherein the power amplifier is connected to at least two channel circuits corresponding to the transmission port and the transmission port, respectively.
  • the low noise amplifier is respectively connected to the receiving port and at least two channel circuits corresponding to the receiving port.
  • the system chip includes both a transmission path and a reception path. Therefore, both data transmission and data reception can be performed through a system chip.
  • the number of at least one communication port is greater than 1, and the chip system further includes a filter, wherein the first end of the filter is connected to at least two channel circuits; the second end of the filter is connected to the antenna Port connection.
  • the FEM when at least one communication port includes a receiving port and a sending port, the FEM can realize the simultaneous sending and receiving of data.
  • the FEM can be used to simultaneously receive two or more channels of data.
  • two or more channels of data can be sent simultaneously through FEM. Make the data transmission efficiency higher.
  • the chip system further includes a controller.
  • an embodiment of the present application provides a circuit that includes a radio frequency chip and the chip system of any one of the first aspect, the radio frequency chip includes a controller, and the radio frequency chip is used to send data to the communication port, And/or, the radio frequency chip is used to receive data from the communication port.
  • the path includes at least two channel circuits, so that the chip system can receive data through at least two channel circuits, or the chip system can transmit data through at least two channel circuits Different channel circuits are applicable to different communication scenarios. Therefore, the chip system can be applied to multiple communication scenarios, so as to improve the versatility of the chip system, thereby increasing the versatility of the circuit.
  • an embodiment of the present application provides a wireless communication device including the circuit described in the second aspect.
  • the path includes at least two channel circuits, so that the chip system can receive data through at least two channel circuits, or the chip system can transmit data through at least two channel circuits Different channel circuits are applicable to different communication scenarios. Therefore, the chip system can be applied to multiple communication scenarios, so as to improve the versatility of the chip system, thereby improving the versatility of wireless communication devices.
  • the wireless communication device further includes a memory, the memory is connected to the controller, and the information stored in the memory includes the first information.
  • the controller can easily and quickly obtain the obtained first information.
  • the radio frequency chip includes a memory. Arranging the memory inside the radio frequency chip can make the wireless communication device smaller.
  • the wireless communication device further includes a GPS module, which is connected to the controller, where the GPS module is used to obtain location information of the wireless communication device and send the location information to the controller.
  • the controller can easily obtain location information with higher accuracy.
  • each communication port corresponds to at least two channel circuits, that is, at least two channel circuits are included in one channel (receiving channel or sending channel), so that the chip system can pass through At least two channel circuits are used to receive data, or the chip system can transmit data through at least two channel circuits.
  • Different channel circuits process data differently, which in turn makes the effects of data transmission different.
  • FIG. 1A is a schematic diagram of a system architecture provided by an embodiment of this application.
  • FIG. 1B is a schematic diagram of another system architecture provided by an embodiment of this application.
  • FIG. 1C is a schematic diagram of another system architecture provided by an embodiment of the application.
  • FIG. 1D is a schematic diagram of another system architecture provided by an embodiment of this application.
  • FIG. 2 is a schematic diagram of the structure of the FEM provided by an embodiment of the application.
  • FIG. 3 is a schematic structural diagram of a wireless communication device provided by an embodiment of this application.
  • Fig. 4 is a schematic structural diagram of another FEM provided by an embodiment of the application.
  • FIG. 5 is a schematic structural diagram of another FEM provided by an embodiment of the application.
  • FIG. 6 is a schematic structural diagram of another FEM provided by an embodiment of the application.
  • FIG. 7 is a schematic diagram of state switching of a switch circuit provided by an embodiment of the application.
  • FIG. 8 is a schematic diagram of state switching of another switch circuit provided by an embodiment of the application.
  • FIG. 9 is a schematic structural diagram of yet another FEM provided by an embodiment of the application.
  • FIG. 10 is a schematic structural diagram of another FEM provided by an embodiment of the application.
  • FIG. 11 is a schematic structural diagram of yet another FEM provided by an embodiment of the application.
  • FIG. 12 is a schematic structural diagram of yet another FEM provided by an embodiment of the application.
  • FIG. 13 is a schematic structural diagram of yet another FEM provided by an embodiment of the application.
  • FIG. 14 is a schematic structural diagram of another FEM provided by an embodiment of the application.
  • FIG. 15 is a schematic structural diagram of yet another FEM provided by an embodiment of the application.
  • FIG. 16 is a schematic structural diagram of yet another FEM provided by an embodiment of the application.
  • FIG. 17 is a schematic structural diagram of yet another FEM provided by an embodiment of the application.
  • FIG. 18 is a schematic structural diagram of yet another FEM provided by an embodiment of the application.
  • FIG. 19 is a schematic structural diagram of a circuit provided by an embodiment of this application.
  • FIG. 20 is a schematic structural diagram of another wireless communication device provided by an embodiment of this application.
  • the chip system shown in the embodiments of this application can be applied to wireless communication devices.
  • the wireless communication devices can be routers, mobile phones, computers, TVs, speakers, in-vehicle devices, wearable devices, industrial devices, artificial intelligence devices, and augmented reality (augmented reality (AR) equipment, virtual reality (virtual reality, VR) equipment, etc.
  • the wireless communication device can be applied to a variety of wireless communication networks, for example, wireless fidelity (WiFi) communication networks, Bluetooth communication networks, mobile cellular communication networks, wireless local area networks (WLAN) communication networks, and so on.
  • WiFi wireless fidelity
  • WLAN wireless local area networks
  • the chip system may be a front-end module (FEM).
  • FEM front-end module
  • the system chip is an FEM as an example.
  • FIG. 1A is a schematic diagram of a system architecture provided by an embodiment of the application. Please refer to Fig. 1A, which includes the transceiver 10, the FEM 20 and the antenna 30.
  • the transceiver 10, the FEM 20 and the antenna 30 may be provided in a wireless communication device.
  • the transceiver 10 may include a receiver and/or a transmitter.
  • the hardware corresponding to the receiver and the hardware corresponding to the transmitter may be independent of each other, or the receiver and the transmitter are located in the same
  • the hardware, receiver and transmitter are logically independent.
  • the transmitter can obtain the data generated by the wireless communication device, and transmit the data to the FEM 20, and then send it out via the antenna 30.
  • the antenna 30 can also receive data from other wireless communication devices, and transmit the data to the FEM 20, and then transmit the data to the wireless communication device through the receiver.
  • FEM 20 is used to perform processing such as power amplification and filtering on the data to improve the data transmission performance.
  • the FEM 20 may include a transmit (TX) path and/or a receive (RX) path.
  • TX transmit
  • RX receive
  • the FEM 20 may include a TX channel.
  • the FEM 20 may include an RX channel.
  • the FEM 20 may include a TX path and an RX path, or at least two FEMs 20 are provided in the wireless communication device, of which at least one FEM 20 is Including TX path, at least one FEM 20 includes RX path.
  • FIG. 1B is a schematic diagram of another system architecture provided by an embodiment of this application. Please refer to FIG. 1B, which includes a receiver 40, an FEM 20, and an antenna 30, where the FEM 20 includes an RX path.
  • the receiver 40, the FEM 20 and the antenna 30 may be provided in a wireless communication device.
  • the antenna 30 can receive data sent by other communication devices and send the received data to the RX path, which can filter the data and transmit the processed data to the receiver 40.
  • the wireless communication device can obtain the data sent by other wireless communication devices through the receiver 40.
  • FIG. 1C is a schematic diagram of another system architecture provided by an embodiment of this application. Please refer to FIG. 1C, which includes a transmitter 50, an FEM 20, and an antenna 30, where the FEM 20 includes a TX path.
  • the transmitter 50, the FEM 20, and the antenna 30 may be provided in a wireless communication device.
  • the transmitter 50 can obtain the data generated by the wireless communication device and transmit the data to the FEM 20.
  • the FEM 20 can perform processing such as power amplification and filtering on the data, and transmit the processed data to the antenna 30. So that the antenna 30 transmits the data.
  • FIG. 1D is a schematic diagram of another system architecture provided by an embodiment of this application.
  • FIG. 1D which includes a transmitter 50, a receiver 40, an FEM 20, and an antenna 30, where the FEM 20 includes an RX path, a TX path, and a single-pole double-throw switch.
  • the transmitter 50, the receiver 40, the FEM 20, and the antenna 30 may be provided in a wireless communication device.
  • the single-pole double-throw switch is connected to the TX path.
  • the transmitter 50 can obtain the data generated by the wireless communication device and transmit the data to the FEM 20.
  • the FEM 20 can perform power amplification, filtering and other processing on the data, and
  • the processed data is transmitted to the antenna 30 so that the antenna 30 transmits the data.
  • the single-pole double-throw switch is connected to the RX path.
  • the antenna 30 can receive data sent by other communication devices and send the received data to the RX path.
  • the RX path can filter and process the data.
  • the latter data is transmitted to the receiver 40, so that the wireless communication device can obtain the data sent by other wireless communication devices through the receiver 40.
  • the hardware corresponding to the receiver 40 and the hardware corresponding to the transmitter 50 shown in FIG. 1D may be independent of each other, or the receiver 40 and the transmitter 50 are located on the same hardware, and the receiver 40 and the transmitter 50 are logically independent.
  • the RX path usually includes one channel circuit, and data can only be sent through this one channel circuit.
  • the TX path usually includes one channel circuit, and data can only be received through this one channel circuit.
  • FEM can only receive data through a fixed channel circuit and send data through a fixed channel circuit, which makes FEM only suitable for specific communication scenarios, resulting in poor versatility of FEM.
  • this application designs an FEM.
  • the path (RX path or TX path) in the FEM in this application includes at least two channel circuits, so that the FEM can receive data through at least two channel circuits, or , So that FEM can send data through at least two channel circuits, and different channel circuits are applicable to different communication scenarios. Therefore, FEM can be applied to multiple communication scenarios to improve the versatility of FEM.
  • FIG. 2 is a schematic diagram of the structure of the FEM provided by an embodiment of the application.
  • FEM 20 includes at least one communication port PX, at least two channel circuits X corresponding to each communication port PX, and an antenna port P-ANT.
  • One end of each channel circuit X is connected to the corresponding communication port PX.
  • the other end of each channel circuit X is connected to the antenna port P-ANT.
  • Each channel circuit X is also connected to a controller (not shown in the figure), each channel circuit X is used to receive a control signal sent by the controller, and the control signal is used to control the channel state of the channel circuit X; where the channel state includes In the on state and the off state, at least one of the at least two channel circuits X corresponding to at least one communication port PX at the same time is in the on state, and the control signal is the first information of the controller according to FEM 20 and/ Or generated by the second information.
  • the first information may include one or more of FEM 20's hardware version and country code
  • the second information may include one or more of FEM 20's location information, power, rate (modulation and coding mechanism), or packet error rate.
  • the at least one communication port P-X may include a sending port and/or a receiving port.
  • the sending port is used to connect with the transmitter in the wireless communication device.
  • the receiving port is used to connect with the receiver in the wireless communication device.
  • One communication port P-X corresponds to one channel.
  • the transmitting port corresponds to the TX path, and the TX path includes the transmitting port and the circuit between the transmitting port and the antenna port.
  • the circuit in FEM 20 except for the antenna port is the TX path.
  • the circuit in the frame where the TX path is located is the TX path.
  • the receiving port corresponds to the RX path, and the RX path includes the receiving port and the circuit between the receiving port and the antenna port.
  • the circuit in FEM 20 except for the antenna port is the RX path.
  • the circuit in the frame where the RX path is located is the RX path.
  • the same communication port P-X corresponds to at least two channel circuits, and the same communication port P-X corresponds to at least two communication circuits that are different.
  • each of the at least two channel circuits corresponding to the receiving port is different, and each of the at least two channel circuits corresponding to the transmitting port is different.
  • Different channel circuits may mean that the channel circuit includes different devices, or the connection relationship of the devices included in the channel circuit is different, or the parameters of the devices included in the channel circuit are different.
  • the components included in the channel circuit TX1 are the first switch circuit
  • the components included in the channel circuit TX2 are the second switch circuit and the second peripheral circuit port P2.
  • the channel circuit TX1 and the channel circuit TX2 include The device is different, therefore, the channel circuit TX1 and the channel circuit TX2 are different.
  • the components included in the channel circuit TX1 are the first switch circuit and the first peripheral circuit port P1
  • the components included in the channel circuit TX2 are the second switch circuit and the second peripheral circuit port P2, and the first switch
  • the parameters of the circuit and the second switch circuit are different, and therefore, the channel circuit TX1 and the channel circuit TX2 are different.
  • one communication port P-X corresponds to one channel. Therefore, one communication port P-X corresponds to at least two channel circuits, which can also be understood as at least two channel circuits included in the channel corresponding to the communication port P-X.
  • the different channel circuits process the data differently, which in turn makes the data transmission achieve different effects.
  • the data sent by the wireless communication device passes through the first port corresponding to the sending port.
  • the data transmission rate can be optimized, and when the data sent by the wireless communication device passes through the second channel circuit corresponding to the sending port, the quality of data transmission can be optimized.
  • the antenna port P-ANT is used to connect with the antenna in the wireless communication device.
  • the transmitter of the wireless communication device can transmit the data to be transmitted to the antenna through the transmission port, a channel circuit corresponding to the transmission port, and the antenna port P-ANT, so that the antenna transmits the data.
  • the antenna can also receive data from other wireless communication devices, and transmit the received data to the wireless communication device through the antenna port P-ANT, a channel circuit corresponding to the receiving port, and the communication port.
  • the controller can be set in the FEM 20 or in the radio frequency chip.
  • the radio frequency chip can be a WIFI chip, a Bluetooth chip, a WLAN chip, and so on.
  • the radio frequency chip may also include a radio frequency circuit.
  • the radio frequency circuit may include the transmitter 50 and/or the receiver 40 shown in FIGS. 1A-1D.
  • the number of controllers can be one or more. When the number of controllers is one, the controller can control at least two channel circuits corresponding to each communication port. When the number of controllers is multiple, the number of controllers can be the same as the number of communication ports. That is, the communication ports and the controllers can correspond one to one. Accordingly, one controller can control at least the corresponding communication ports. Two-channel circuit. Alternatively, the number of controllers can also be greater than 1 and less than the number of communication ports. For example, the corresponding relationship between controllers and communication ports can be set. The corresponding relationship can be that one controller corresponds to one or more communication ports, which can be based on actual conditions. The corresponding relationship between the controller and the communication port needs to be set. Accordingly, one controller can control at least two channel circuits corresponding to its corresponding communication port.
  • the controller may obtain the first information and/or the second information of the FEM 20, and generate a control signal according to the first information and/or the second information.
  • the control signal is used to control the channel state of the at least two channel circuits corresponding to the at least one communication port, and the channel state includes the on state and the off state.
  • the channel state of a channel circuit being in the on state means that a channel is formed between the channel circuit and the corresponding communication port and antenna port, and data can be transmitted through the channel.
  • the channel state of a channel circuit being in the disconnected state means that a path is not formed between the channel circuit and the corresponding communication port and antenna port, and data cannot be transmitted through the path.
  • At least one of the at least two channel circuits corresponding to at least one communication port has at most one channel circuit in the on state. For example, if the FEM 20 includes two communication ports, and each communication port corresponds to two channel circuits, then the FEM 20 A total of 4 channel circuits are included in the 4 channel circuits, and at most one channel circuit of the 4 channel circuits is in the conducting state at the same time. For example, suppose that at least one communication port includes a receiving port and a sending port. When sending data, the control signal can control a channel circuit corresponding to the sending port to conduct, and when receiving data, the control signal controls a channel corresponding to the receiving port. The circuit is turned on.
  • FIG. 3 is a schematic structural diagram of a wireless communication device provided by an embodiment of the application.
  • the wireless communication device 90 includes an FEM 20, a radio frequency chip 60, a memory 70, and a global positioning system (global positioning system, GPS) module, and the radio frequency chip 60 includes a controller.
  • the memory 70 may be arranged inside the radio frequency chip 60 or outside the radio frequency chip 60.
  • the memory 70 stores first information and program instructions.
  • the first information and program instructions may also be stored in different memories 70, which are not specifically limited in the embodiment of the present application.
  • the first information may include one or more of the hardware version of FEM 20 and the country code.
  • the first information may be determined when the FEM 20 leaves the factory, and the first information may be stored in the memory 70. Accordingly, the controller may obtain the first information in the memory 70.
  • the country code can be determined according to the country to which the FEM 20 will be sold. If the FEM 20 shipped from the factory is about to be sold to the country A, the country code of the FEM 20 can be determined as the country A.
  • the hardware version refers to the version of the hardware device in FEM 20.
  • the hardware version may include the hardware version number.
  • the second information may include one or more of location information, power, rate (modulation and coding mechanism), or packet error rate of the FEM 20.
  • the power can be transmit power or receive power.
  • the rate can be the sending rate or the receiving rate.
  • the communication port is a transmission port (the communication port corresponding to the TX path)
  • the power may be the transmission power
  • the rate may be the transmission rate.
  • the communication port is the receiving port (the communication port corresponding to the RX path)
  • the power may be the receiving power
  • the rate may be the receiving rate.
  • the second information can be detected by the detection device.
  • the detection device may be the GPS module 80, that is, the location information may be detected by the GPS module 80.
  • the location information can also be determined according to the Internet Protocol (IP) address of the wireless communication device, where there is a preset correspondence between the IP address and the location information.
  • IP Internet Protocol
  • the detection device can be a controller (such as the controller shown in Figure 3).
  • the controller can perform power detection on the signal transmitted by the FEM 20 to obtain the transmission power of the FEM 20, and control
  • the receiver can perform power detection on the signal received by the FEM 20 to obtain the received power of the FEM 20.
  • the controller can obtain the modulation and coding mechanism corresponding to FEM 20 (also referred to as the modulation and coding mechanism corresponding to the wireless communication device where FEM 20 is located), and determine the rate of FEM 20 according to the modulation and coding mechanism corresponding to FEM 20, for example, modulation and coding mechanism There is a preset corresponding relationship between FEM and rate.
  • the controller can determine the rate of FEM 20 according to the modulation and coding mechanism corresponding to FEM 20 and the corresponding relationship.
  • the wireless communication device adopts a coding modulation mechanism for modulation and coding
  • the wireless communication device The currently used modulation and coding mechanism can be written into the configuration file, and the configuration file can be stored in the memory.
  • the controller can obtain the currently used modulation and coding mechanism of the wireless communication device in the memory.
  • the controller may analyze the data packets sent and/or received by the FEM 20 in a preset time period, and determine the packet error rate according to the analysis result.
  • the controller can read the program instructions in the memory 70, and generate a control signal according to the acquired first information and/or second information and the program instructions. It should be noted that, in the following embodiments, the process of generating the control signal by the controller is described, which will not be repeated here.
  • each communication port in the FEM 20 corresponds to at least two channel circuits, that is, one channel (RX channel or TX channel) includes at least two channel circuits, so that the FEM 20 can pass at least Two channel circuits are used for data reception, or FEM 20 can transmit data through at least two channel circuits.
  • Different channel circuits process data differently, which in turn makes the effects of data transmission different.
  • the conduction of different channel circuits can be controlled according to actual needs (the effect achieved by data transmission), so that the FEM 20 can be applied to multiple communication scenarios with different transmission effect requirements, and the versatility of the FEM 20 is improved.
  • FEM 20 may include TX channel and/or RX channel.
  • TX channel and/or RX channel.
  • the structure of the FEM 20 including one TX channel will be described.
  • at least one communication port includes a transmission port.
  • the structure of FEM 20 will be described by taking two channel circuits (the first channel circuit and the second channel circuit) corresponding to the sending port as an example.
  • FIG. 4 is a schematic structural diagram of another FEM provided by an embodiment of the application.
  • FEM 20 includes transmission port P-TX, power amplifier PA, first channel circuit TX1, second channel circuit TX2, and antenna port P-ANT.
  • the first channel circuit TX1 includes a first switch circuit and a second channel.
  • the circuit TX2 includes a second switch circuit and a second peripheral circuit port P2P2.
  • One end of the power amplifier PA is connected to the transmission port P-TX, the other end of the power amplifier PA is respectively connected to one end of the first switch circuit and the second switch circuit, and the other end of the first switch circuit is connected to the antenna port P-ANT, The other end of the second switch circuit is connected to the second peripheral circuit port P2, and the second peripheral circuit port P2 is also connected to the antenna port P-ANT.
  • the first switch circuit and the second switch circuit are respectively connected to the controller.
  • the first channel circuit TX1 When the state of the first switch circuit is in the on state, the first channel circuit TX1 is a through circuit. In this way, when the signal passes through the first channel circuit TX1, no additional processing is required, so that the signal can be efficiently transmitted through the first channel.
  • the channel circuit TX1 is transmitted to the antenna port P-ANT, and the signal is sent by the antenna.
  • the second channel circuit TX2 includes a peripheral circuit, so that when the signal passes through the second channel circuit TX2, the peripheral circuit can process the signal and combine the processed signal It is transmitted to the antenna port P-ANT, and the signal is sent by the antenna.
  • the peripheral circuit may be a processing circuit that improves signal quality.
  • the peripheral circuit may include a filter or the like. After the signal is processed by the peripheral circuit, the transmission quality of the signal can be made higher.
  • the peripheral circuit includes a filter, signals in a part of the frequency band can also be filtered through the filter to change the operating frequency corresponding to the wireless communication device.
  • the controller can generate the control signal corresponding to each switch circuit, and send the control signal corresponding to the first switch circuit to the first switch circuit, and send the control signal corresponding to the second switch circuit to the second switch circuit, the first switch circuit corresponds to
  • the control signal of can control the state of the first switch circuit
  • the control signal corresponding to the second switch circuit can control the state of the second switch circuit.
  • the states of the first switch circuit and the second switch circuit include an on state and an off state.
  • the channel state of the first channel circuit TX1 is in the on state, and when the state of the first switch circuit is in the off state, the channel state of the first channel circuit TX1 is off status.
  • the state of the second switch circuit is in the on state, the channel state of the second channel circuit TX2 is in the on state, and when the state of the second switch circuit is in the off state, the channel state of the second channel circuit TX2 is off status.
  • the control signal corresponding to the first switch circuit and the control signal corresponding to the second switch circuit sent by the controller may be the same.
  • the first switch circuit is turned on at a low level
  • the second switch circuit is turned on at a high level.
  • the controller can respectively switch to the first switch.
  • the circuit and the second switch circuit send low-level signals.
  • the controller can send high-level signals to the first switch circuit and the second switch circuit respectively.
  • the control signal corresponding to the first switch circuit and the control signal corresponding to the second switch circuit sent by the controller may be different.
  • the first switch circuit is turned on at a low level
  • the second switch circuit is also at a low level.
  • the controller can send a low-level signal to the first switch circuit and a high-level signal to the second switch circuit.
  • the controller can send a high-level signal to the first switch circuit and a low-level signal to the second switch circuit.
  • the TX path includes two channel circuits (the first channel circuit TX1 and the second channel circuit TX2), so that the FEM 20 can transmit data through the two channel circuits.
  • the data processing is different, which makes the effect of data transmission different.
  • the second channel circuit TX2 includes a second peripheral circuit port P2, and the peripheral circuit is set outside the FEM 20. In the actual application process, the peripheral circuit can be set according to actual needs.
  • a filter can be set in the peripheral circuit, and when the signal needs to be transmitted through the second channel circuit TX2 to have a small attenuation, an impedance matching circuit can be set in the peripheral circuit.
  • the peripheral circuit is set outside the FEM 20, and the function of the FEM can be changed by changing the peripheral circuit. In this way, not only the complexity of the circuit in the FEM 20 can be reduced, but the flexibility of FEM design can also be improved.
  • FIG. 5 is a schematic structural diagram of another FEM provided by an embodiment of the application.
  • FEM 20 includes transmission port P-TX, power amplifier PA, first channel circuit TX1, second channel circuit TX2, and antenna port P-ANT.
  • the first channel circuit TX1 includes a first switch circuit and a second channel.
  • the circuit TX2 includes a second switch circuit and peripheral circuits.
  • One end of the power amplifier PA is connected to the transmission port P-TX
  • the other end of the power amplifier PA is respectively connected to one end of the first switch circuit and the second switch circuit
  • the other end of the first switch circuit is connected to the antenna port P-ANT
  • the other end of the second switch circuit is connected to the peripheral circuit, and the peripheral circuit is also connected to the antenna port P-ANT.
  • the first switch circuit and the second switch circuit are respectively connected to the controller.
  • the TX path includes two channel circuits (the first channel circuit TX1 and the second channel circuit TX2), so that the FEM 20 can transmit data through the two channel circuits.
  • the data processing is different, which makes the effect of data transmission different.
  • the peripheral circuit is set inside the EFM, and there is no need to set the peripheral circuit outside the FEM 20, which makes the FEM 20 more convenient to use.
  • the structure of the switching circuit (the first switching circuit and the second switching circuit) will be described below in conjunction with FIG. 6.
  • FIG. 6 is a schematic structural diagram of another FEM provided by an embodiment of the application. Based on the embodiment shown in FIG. 4, please refer to FIG. 6, the first switching circuit capacitor C1, capacitor C2, inductor L1, and diode D1.
  • the second switch circuit includes a capacitor C3, a capacitor C4, an inductor L2, and a diode D2, respectively.
  • the control signal 1 output by the controller may be low level, and the control signal 2 may be high level.
  • D1 is negatively biased
  • D2 is positively biased.
  • the input impedance from the output of the PA to the second channel circuit is very large, which is equivalent to An open circuit makes the second channel circuit in an off state and the first channel circuit in an on state.
  • the control signal 1 output by the controller may be at a high level, and the control signal 2 may be at a low level.
  • the control signal 1 is high, D1 is positively biased.
  • the control signal 2 is low, D2 is negatively biased.
  • the input impedance from the output of the PA to the first channel circuit is very large, which is equivalent to an open circuit, making the first channel The circuit is in the off state, and the second channel circuit is in the on state.
  • FIG. 6 only illustrates the structure of the switch circuit by way of example, and does not limit the structure of the switch circuit.
  • the structure of the switch circuit may also be other, which is not specifically limited in the embodiment of the present application.
  • the controller obtains the first information and/or the second information of the FEM 20, and generates a control signal according to the first information and/or the second information.
  • the first information may include one or more of FEM 20's hardware version and country code
  • the second information may include one or more of FEM 20's location information, power, rate (modulation and coding mechanism), or packet error rate.
  • the process for the controller to obtain the first information and/or the second information of the FEM 20 can refer to the embodiment shown in FIG. 3, which will not be repeated here.
  • the controller can generate a control signal according to the first information and/or the second information in the following two ways.
  • the controller determines the corresponding transmission requirement according to the first information and/or the second information, and generates a control signal according to the transmission requirement.
  • the transmission demand is the priority of transmission efficiency or transmission quality.
  • different channel circuits in a path correspond to different transmission effects.
  • the transmission effect may be higher transmission efficiency or higher transmission quality.
  • the controller may generate a control signal according to the determined transmission demand, and the control signal is used to control one of the channel circuits to be turned on, and the transmission effect of the turned-on channel circuit matches the transmission demand determined by the controller.
  • the transmission effect of the first channel circuit TX1 is higher transmission efficiency
  • the transmission effect of the second channel circuit TX2 is higher transmission quality.
  • the control signal generated by the controller can control the first channel circuit TX1 to turn on and the second channel circuit TX2 to turn off, So that the signal can be sent through the first channel circuit TX1.
  • the controller determines the corresponding operating frequency according to the first information and/or the second information, and generates a control signal according to the operating frequency.
  • the working frequency may be the transmitting frequency of the signal sent by the antenna, or the receiving frequency of the signal received by the receiver.
  • different channel circuits in a channel may correspond to different operating frequencies.
  • the controller may generate a control signal according to the determined operating frequency.
  • the control signal is used to control one of the channel circuits to be turned on, and the operating frequency of the turned-on channel circuit is consistent with the operating frequency determined by the controller.
  • a filter can be set in the channel circuit, and the working frequency of the channel circuit can be changed through the filter.
  • the filter may perform frequency filtering processing on the signal to be transmitted, so that after the frequency filtering processed signal is transmitted through the antenna, the frequency of the transmitted signal is within the preset frequency range corresponding to the filter.
  • the transmission frequency of the first channel circuit TX1 is frequency range 1
  • the transmission frequency of the second channel circuit TX2 is frequency range 2.
  • the control signal generated by the controller can control the second channel circuit TX2 to turn on and the first channel circuit TX1 to turn off, So that the signal can be sent through the second channel circuit TX2.
  • controller may also generate control information in other ways, which is not specifically limited in the embodiment of the present application.
  • the controller generates a control signal according to the position information in the second information.
  • the location information can indicate the area where the FEM 20 is currently located.
  • the location information can include longitude and latitude, and the area where the FEM 20 is currently located can be determined based on the longitude and latitude.
  • the controller can obtain location information from the GPS module.
  • signal transmission requirements may be different.
  • signal transmission requirements are priority to transmission efficiency
  • area B signal transmission requirements are priority to transmission quality.
  • the corresponding relationship between the area and the transmission demand can be set in advance, and the corresponding relationship can be stored in the memory.
  • the controller can determine the area where the FEM 20 is currently located according to the location information, and obtain the transmission requirements (rate priority or quality priority) corresponding to the area where the FEM 20 is currently located according to the corresponding relationship, and according to the transmission requirements corresponding to the area where the FEM 20 is currently located , Generate control signals.
  • the controller can read the program instructions in the memory and execute the program instructions to realize the generation of the control signal according to the position information and the corresponding relationship.
  • the requirements for the operating frequency may be different.
  • the operating frequency in area A, the operating frequency may range from frequency a to frequency b, and in area B, the operating frequency may range from frequency c to frequency d.
  • the corresponding relationship between the area and the operating frequency can be set in advance, and the corresponding relationship can be stored in the memory.
  • the controller can determine the area where the FEM 20 is currently located according to the location information, obtain the operating frequency corresponding to the area where the FEM 20 is currently located according to the corresponding relationship, and generate a control signal according to the operating frequency corresponding to the area where the FEM 20 is currently located.
  • the controller can read the program instructions in the memory and execute the program instructions to realize the generation of the control signal according to the position information and the corresponding relationship.
  • FIG. 7 is a schematic diagram of state switching of a switch circuit provided by an embodiment of the application. Please refer to Figure 7, including the state of the switching circuit in FEM 20 at time 1 and time 2.
  • FEM 20 is located at position 1, which belongs to area 1.
  • the controller generates control signal 1 corresponding to the first switch circuit and control signal 2 corresponding to the second switch circuit, and sends control signal 1 to the first switch circuit and to the first switch circuit.
  • the two switch circuits send a control signal 2, the control signal 1 is used to control the first switch circuit to turn on, and the control signal 2 is used to control the second switch circuit to turn off.
  • the first switch circuit is turned on and the second switch circuit is turned off, when a signal is transmitted through the FEM 20, the signal is transmitted to the antenna through the transmission port, PA, the first channel circuit, and the antenna interface, and the signal is transmitted by the antenna. Since the first channel circuit is a through path, there is no need to perform additional processing on the signal, so that the signal can be efficiently transmitted through the first channel circuit, and the signal transmission efficiency is high.
  • the controller At time 2, suppose FEM 20 has moved to position 2, and the position belongs to area 2. Assuming that the transmission requirement corresponding to area 2 is quality priority, the controller generates a control signal 3 corresponding to the first switch circuit and a control signal 4 corresponding to the second switch circuit, and sends the control signal 3 to the first switch circuit and sends the control signal 3 to the first switch circuit.
  • the two switch circuits send a control signal 4, the control signal 3 is used to control the first switch circuit to turn off, and the control signal 4 is used to control the second switch circuit to turn on.
  • the signal After the first switch circuit is turned off and the second switch circuit is turned on, when a signal is sent through the FEM 20, the signal is transmitted to the antenna through the transmission port, PA, the second channel circuit, and the antenna interface, and the signal is sent by the antenna. Since the peripheral circuit in the second channel circuit can process the signal, the quality of the processed signal is higher, and therefore, the transmission quality of the signal can be higher.
  • One FEM 20 in the prior art can only be applied to areas with the same transmission requirements, while in this application, the FEM 20 can be applied to areas with multiple different transmission requirements, which improves the versatility of the FEM 20.
  • the FEM 20 can be applied to areas with multiple different transmission requirements, which improves the versatility of the FEM 20.
  • different FEM 20 needs to be designed for area A and area B respectively.
  • the same FEM 20 can be designed, that is, one FEM 20 can be used in area A or area B.
  • controller generates a control signal according to the hardware version in the first information.
  • the hardware version refers to the version of the hardware device in FEM 20.
  • the hardware version may include the hardware version number.
  • the transmission requirements of signals corresponding to different hardware versions may be different.
  • the transmission requirements of the signals corresponding to version 1 are priority to transmission efficiency
  • the transmission requirements of signals corresponding to version 2 are priority to quality.
  • the corresponding relationship between the hardware version and the transmission requirement can be preset, and the corresponding relationship can be stored in the memory.
  • the controller can obtain the transmission requirement (rate priority or quality priority) corresponding to the hardware version according to the corresponding relationship, and generate a control signal according to the transmission requirement.
  • the controller can read the program instructions in the memory and execute the program instructions to realize the generation of control signals according to the hardware version and the corresponding relationship.
  • An FEM 20 structure in the prior art can only be applied to hardware versions corresponding to the same transmission requirements, and in this application, a FEM 20 structure can be applied to hardware versions corresponding to multiple different transmission requirements, and an improved FEM 20 Versatility.
  • a FEM 20 structure can be applied to hardware versions corresponding to multiple different transmission requirements, and an improved FEM 20 Versatility.
  • FEM 20 with different structures for hardware version A and hardware version B respectively.
  • FEM 20 with the same structure can be designed for hardware For version A and hardware version B.
  • controller generates a control signal according to the country code in the first information.
  • country 1’s signal transmission requirements give priority to transmission efficiency
  • country 2’s signal transmission requirements give priority to quality.
  • the corresponding relationship between the country code and the transmission requirement can be set in advance, and the corresponding relationship can be stored in the memory.
  • the controller can obtain the transmission demand corresponding to the country code according to the corresponding relationship, and generate a control signal according to the transmission demand.
  • the controller can read the program instructions in the memory and execute the program instructions to realize the according to the country code. And the corresponding relationship generates a control signal.
  • One FEM 20 in the prior art can only be applied to countries with the same transmission requirements, while in this application, the FEM 20 can be applied to countries with multiple different transmission requirements to improve the versatility of the FEM 20.
  • the FEM 20 can be applied to countries with multiple different transmission requirements to improve the versatility of the FEM 20.
  • different FEM 20 needs to be designed for country A and country B.
  • the same FEM 20 can be designed, that is, one FEM 20 can be used in country A or country B.
  • the operating frequency requirements are different in different countries.
  • the working frequency required by country 1 may be from frequency a to frequency b
  • the working frequency required by country 2 may be from frequency c to frequency d.
  • the corresponding relationship between the country and the operating frequency can be set in advance, and the corresponding relationship can be stored in the memory.
  • the controller can obtain the working frequency corresponding to the country code according to the corresponding relationship, and generate a control signal according to the working frequency.
  • the controller can read the program instructions in the memory and execute the program instructions to realize the according to the country code. And the corresponding relationship generates a control signal.
  • One FEM 20 in the prior art can only be applied to countries that have the same operating frequency requirements.
  • the FEM 20 can be applied to multiple countries that have different operating frequency requirements to improve the versatility of the FEM 20.
  • country A and country B have different requirements for working frequencies
  • different FEM 20 needs to be designed for country A and country B respectively.
  • country A and country B The same FEM 20 can be designed, that is, one FEM 20 can be used in country A or country B.
  • the controller generates a control signal according to the power in the second information.
  • the power of the signal sent by the transmitter may be different, and the transmission requirements for different powers may be different. For example, when the power is less than the preset power threshold, the transmission demand is given priority to transmission efficiency, and when the power is greater than or equal to the preset power threshold, the transmission demand is given priority to the transmission quality.
  • the preset power threshold may be set according to actual needs, and the preset power threshold may be stored in the memory.
  • the controller can obtain the power of the signal sent by the transmitter, and generate a control signal according to the power and the preset power threshold. For example, the controller can read the program instructions in the memory and execute the program instructions to realize the The power of the signal sent by the generator and the preset power threshold generate a control signal.
  • FIG. 8 is a schematic diagram of state switching of another switch circuit provided by an embodiment of the application. Please refer to Figure 8, including the state of the switching circuit in FEM 20 at time 1 and time 2.
  • the signal to be transmitted by the transmitter (connected to the transmitting port, not shown in FIG. 8) is signal 1, and the power of the transmitter transmitting signal 1 is power 1.
  • the controller Assuming that the power 1 is less than the preset power threshold, the controller generates the control signal 1 corresponding to the first switch circuit and the control signal 2 corresponding to the second switch circuit according to the relationship between the power 1 and the preset power threshold, and sends it to the first
  • the switch circuit sends a control signal 1 and a control signal 2 to the second switch circuit.
  • the control signal 1 is used to control the first switch circuit to turn on, and the control signal 2 is used to control the second switch circuit to turn off.
  • the transmitter transmits signal 1 through FEM 20
  • signal 1 is transmitted to the antenna through the transmitting port, PA, first channel circuit and antenna interface, and the signal is transmitted by the antenna 1. Since the first channel circuit is a through path, there is no need to perform additional processing on the signal 1, so that the signal 1 can be efficiently transmitted through the first channel circuit, so that the transmission efficiency of the signal 1 is higher.
  • the signal to be transmitted by the transmitter (connected to the transmission port, not shown in FIG. 7) is signal 2, and the power at which the transmitter transmits signal 2 is power 2.
  • the controller Assuming that the power 2 is greater than the preset power threshold, the controller generates the control signal 3 corresponding to the first switch circuit and the control signal 4 corresponding to the second switch circuit according to the relationship between the power 2 and the preset power threshold, and sends the control signal 4 to the first switch circuit.
  • the switch circuit sends a control signal 3 and a control signal 4 to the second switch circuit.
  • the control signal 3 is used to control the first switch circuit to turn off, and the control signal 4 is used to control the second switch circuit to turn on.
  • the first switch circuit After the first switch circuit is turned off and the second switch circuit is turned on, when the transmitter transmits signal 2 through FEM 20, signal 2 is transmitted to the antenna through the transmitting port, PA, second channel circuit and antenna interface, and the signal is transmitted by the antenna 2. Since the peripheral circuit in the second channel circuit can process the signal 2 so that the quality of the processed signal 2 is higher, the transmission quality of the signal 2 can be made higher.
  • the power in different communication scenarios is usually within a corresponding range, and the power range in different communication scenarios may be different.
  • the communication scene may be an industrial communication scene, a home communication scene, and so on.
  • the power in communication scenario 1 may be in power range 1
  • the power in communication scenario 2 may be in power range 2.
  • different FEMs 20 need to be designed, that is, one FEM 20 can only be applied to power less than the preset power threshold.
  • the communication scenario of the power threshold can only be applied to the communication scenario where the power is greater than or equal to the preset power threshold.
  • the same FEM 20 can be designed, that is, one FEM 20 can be applied to power less than the preset power Threshold communication scenarios can also be applied to communication scenarios with power greater than or equal to the preset power threshold, making FEM 20 more versatile.
  • Another feasible implementation manner generate the control signal according to the rate in the first information.
  • the rate at which the transmitter sends signals may be different, and the transmission requirements for different rates may be different. For example, when the rate is less than the preset rate threshold, the transmission requirement is priority to transmission efficiency, and when the rate is greater than or equal to the preset rate threshold, the transmission requirement is priority to transmission quality.
  • the preset rate threshold may be set according to actual needs, and the preset rate threshold may be stored in the memory.
  • the controller obtains the rate at which the transmitter sends the signal, and generates a control signal according to the rate and the preset rate threshold.
  • the controller can read the program instructions in the memory and execute the program instructions to realize the The rate at which the signal is sent and the preset rate threshold generate a control signal.
  • the state of the switching circuit in FEM 20 is also different.
  • the switching process of the state of the switching circuit in FEM 20 please refer to the switching process of the switching circuit shown in the embodiment of FIG. Go ahead and repeat.
  • the rate in different communication scenarios is usually within the corresponding range, and the rate corresponding to the range in different communication scenarios may be different.
  • the communication scene may be an industrial communication scene, a home communication scene, and so on.
  • the rate in communication scenario 1 may be in rate range 1
  • the rate in communication scenario 2 may be in rate range 2.
  • different FEMs 20 need to be designed, that is, one FEM 20 can only be applied to a rate less than the preset rate threshold.
  • the communication scenario with the rate threshold can only be applied to the communication scenario with the rate greater than or equal to the preset rate threshold.
  • the same FEM 20 can be designed, that is, one FEM 20 can be applied to a rate less than the preset rate Threshold communication scenarios can also be applied to communication scenarios where the rate is greater than or equal to the preset rate threshold, making FEM 20 more versatile.
  • Another feasible implementation manner generate a control signal according to the packet error rate in the first information.
  • the packet error rate refers to the ratio of the number of data packets with errors during transmission to the total number of data packets transmitted. Different packet error rates may correspond to different transmission requirements. For example, when the packet error rate is less than the preset packet error rate threshold, the transmission demand is given priority to transmission efficiency, and when the packet error rate is greater than or equal to the preset packet error rate threshold, the transmission demand is given priority to transmission quality.
  • the preset packet error rate threshold may be set according to actual needs, and the preset packet error rate threshold may be stored in the memory.
  • the controller obtains the packet error rate of the transmitter within a preset period of time before the current time, and generates a control signal according to the packet error rate and the preset packet error rate threshold. For example, the controller can read the packet error rate in the memory Program instructions and execute the program instructions to realize the generation of control signals according to the packet error rate of the signal sent by the transmitter and the preset packet error rate threshold.
  • the state of the switching circuit in FEM 20 is also different.
  • the switching process of the state of the switching circuit in FEM 20 please refer to the switching process of the switching circuit shown in the embodiment of FIG. 8, here Do not repeat it here.
  • the packet error rate in different communication scenarios is usually within the corresponding range, and the packet error rate corresponding to the range in different communication scenarios may be different.
  • the communication scene may be an industrial communication scene, a home communication scene, and so on.
  • the packet error rate in communication scenario 1 may be in the packet error rate range 1
  • the packet error rate in communication scenario 2 may be in the packet error rate range 2.
  • the priority corresponding to each of the foregoing information can be set.
  • the controller can generate a control signal according to the priority of each information. For example, assuming that the second information includes location information and power, and assuming that the priority of the location information is greater than the priority of the power, the controller generates a control signal according to the location information.
  • a first impedance matching circuit may be provided in the first channel circuit, and a second impedance matching circuit may be provided in the second channel circuit.
  • a first impedance matching circuit may be provided in the first channel circuit
  • a second impedance matching circuit may be provided in the second channel circuit.
  • FIG. 9 is a schematic structural diagram of another FEM provided by an embodiment of the application.
  • the first channel circuit TX1 also includes a first impedance matching circuit, one end of the first impedance matching circuit is connected to the first switch circuit, and the other of the first impedance matching circuit One end is connected to the antenna port P-ANT.
  • the second channel circuit TX2 also includes a second impedance matching circuit, one end of the second impedance matching circuit is connected to the second switch circuit, and the other end of the second impedance matching circuit is connected to the second peripheral circuit port P2.
  • FIG. 10 is a schematic structural diagram of another FEM provided by an embodiment of the application.
  • the first channel circuit TX1 also includes a first peripheral circuit port, the first peripheral circuit port is used to connect to the first impedance matching circuit, and the first impedance matching circuit is located at FEM 20 external.
  • the second channel circuit TX2 also includes a second impedance matching circuit, the second impedance matching circuit is connected to the second peripheral circuit port P2, and the second impedance matching circuit is located outside the FEM 20.
  • the circuit complexity of the FEM 20 can be reduced, and the first impedance matching circuit and the second impedance matching circuit can also be designed according to actual needs.
  • the first impedance matching circuit can be changed according to actual needs, so that the first channel circuit TX1 can achieve different impedance matching effects, or the second impedance matching circuit can be changed according to actual needs, so that the second channel circuit TX2 can achieve Different impedance matching effects make the circuit design more flexible.
  • the first impedance matching circuit may be composed of one or more of resistors, capacitors, and inductors. In the process of signal transmission in the first channel circuit, the first impedance matching circuit can reduce the attenuation of the signal.
  • the second impedance matching circuit may be composed of one or more of resistors, capacitors, and inductors. In the process of signal transmission in the second channel circuit, the second impedance matching circuit can reduce the attenuation of the signal.
  • Figures 9-10 are only examples of the structure of FEM 20, and are not a limitation on the structure of FEM 20.
  • the first impedance matching circuit can be set inside FEM 20, and the second impedance matching circuit is set Outside the FEM 20, or alternatively, the first impedance matching circuit may be arranged inside the FEM 20, and the second impedance matching circuit may be arranged outside the FEM 20.
  • the connection sequence between the transmitting port, the PA, the first channel circuit, the second channel circuit, and the antenna port can also be other.
  • the PA can also be set between the first channel circuit, the second channel circuit and the antenna port.
  • the number of PAs can also be two, which are respectively denoted as the first PA and the second PA. One end of the first PA is connected to the transmission port, the other end of the first PA is connected to the first switch circuit, and the second PA is One end is connected to the transmitting port, and the other end of the second PA is connected to the second switch circuit.
  • the FEM 20 may also include other paths.
  • the FEM 20 may also include the RX path in the prior art, or as shown in Figs. 11-14 below. RX path.
  • At least one communication port includes a receiving port.
  • the structure of FEM 20 will be described by taking two channel circuits (the first channel circuit and the second channel circuit) corresponding to the sending port as an example.
  • FIG. 11 is a schematic structural diagram of another FEM provided by an embodiment of the application.
  • FEM 20 includes a receiving port P-RX, a low noise amplifier LNA, a first channel circuit RX1, a second channel circuit RX2, and an antenna port P-ANT.
  • the first channel circuit RX1 includes a first switch circuit, and a second channel circuit RX2.
  • the channel circuit RX2 includes a second switch circuit and a second peripheral circuit port P2.
  • One end of the low noise amplifier LNA is connected to the receiving port P-RX, the other end of the low noise amplifier LNA is respectively connected to one end of the first switch circuit and the second switch circuit, and the other end of the first switch circuit is connected to the antenna port P-ANT Connected, the other end of the second switch circuit is connected to the second peripheral circuit port P2, and the second peripheral circuit port P2 is also connected to the antenna port P-ANT.
  • the first switch circuit and the second switch circuit are respectively connected to the controller.
  • FIG. 12 is a schematic structural diagram of another FEM provided by an embodiment of the application.
  • FEM 20 includes receiving port P-RX, low noise amplifier LNA, first channel circuit RX1 and antenna port P-ANT.
  • the first channel circuit RX1 includes a first switch circuit
  • the second channel circuit RX2 includes a second channel. Switch circuit and peripheral circuit.
  • One end of the low noise amplifier LNA is connected to the receiving port P-RX
  • the other end of the low noise amplifier LNA is respectively connected to one end of the first switch circuit and the second switch circuit
  • the other end of the first switch circuit is connected to the antenna port P-ANT Connected
  • the other end of the second switch circuit is connected to the peripheral circuit
  • the peripheral circuit is also connected to the antenna port P-ANT.
  • the first switch circuit and the second switch circuit are respectively connected to the controller.
  • FIG. 13 is a schematic structural diagram of yet another FEM provided by an embodiment of the application. Based on the FEM 20 shown in FIG. 11, the first channel circuit RX1 further includes a first impedance matching circuit, and the second channel circuit RX2 further includes a second impedance matching circuit.
  • FIG. 14 is a schematic structural diagram of another FEM provided by an embodiment of the application.
  • the first channel circuit RX1 further includes a first peripheral circuit port, the first peripheral circuit port is used to connect to the first impedance matching circuit, and the first impedance matching circuit is located outside the FEM 20.
  • the second peripheral circuit port P2 is also used to connect a second impedance matching circuit, and the second impedance matching circuit is located outside the FEM 20.
  • the process of acquiring the first information and/or the second information by the controller can refer to the embodiment shown in FIG. 3.
  • the controller generates the information according to the first information and/or the second information.
  • the process of the control signal can be referred to the above-mentioned embodiment, which will not be repeated here.
  • first channel circuit in the embodiment of FIGS. 11-14 is not the same channel circuit as the first channel circuit in FIGS. 4-10, and the same description is used for ease of description.
  • second channel circuit in the embodiment of FIGS. 11-14 is not the same channel circuit as the first channel circuit in FIGS. 4-10.
  • the first switching circuit in the embodiment of FIGS. 11-14 and the first switching circuit in FIGS. 4-10 are not the same switching circuit.
  • the second switching circuit in the embodiment of FIGS. 11-14 is not the same switching circuit as the second switching circuit in FIGS. 4-10.
  • the first peripheral circuit interface in the embodiments of FIGS. 11-14 and the first peripheral circuit interface in FIGS. 4-10 are not the same interface.
  • the second peripheral circuit interface in the embodiments of FIGS. 11-14 and the second peripheral circuit interface in FIGS. 4-10 are not the same interface.
  • the FEM 20 may also include other paths.
  • the FEM 20 may also include the RX path in the prior art, or the above-mentioned embodiment shown in Figs. The TX path shown.
  • FEM 20 When FEM 20 includes one TX channel and one RX channel, at least one communication port includes a sending port and a receiving port. In this case, the FEM 20 includes the circuits in the TX path shown in any of the embodiments of FIGS. 4 to 5 and 9 to 10, and the circuit in the RX path shown in any of the embodiments of FIGS. 11 to 14.
  • a structure of FEM 20 including one TX channel and one RX channel is introduced.
  • FIGS. 11-14 are only examples of the structure of the FEM 20, and are not a limitation on the structure of the FEM 20.
  • the first impedance matching circuit can be arranged inside the FEM 20, and the second impedance matching circuit is arranged Outside the FEM 20, or alternatively, the first impedance matching circuit may be arranged inside the FEM 20, and the second impedance matching circuit may be arranged outside the FEM 20.
  • the connection sequence between the transmitting port, the LNA, the first channel circuit, the second channel circuit, and the antenna port can also be other.
  • the LNA can also be arranged between the first channel circuit, the second channel circuit and the antenna port. .
  • the number of LNAs can also be two, denoted as the first LNA and the second LNA, one end of the first LNA is connected to the receiving port, the other end of the first LNA is connected to the first switch circuit, and the second LNA One end is connected to the receiving port, and the other end of the second LNA is connected to the second switch circuit.
  • FIG. 15 is a schematic structural diagram of yet another FEM provided by an embodiment of the application. Please refer to FIG. 15, including the circuit in the TX path shown in FIG. 9 and the circuit in the RX path shown in FIG. For the connection relationship and working process, please refer to the above-mentioned embodiment, which will not be repeated here. It should be noted that when the FEM 20 includes the TX path and the RX path, the FEM 20 may include the TX path in any embodiment of FIGS. 4-10 and the RX path in any embodiment of FIGS. 11-14.
  • the data transmission method adopted by FEM is time division multiplexing. In other words, at a time, there is usually only one channel among the RX1 channel circuit, the RX2 channel circuit, the TX1 channel circuit, and the TX2 channel circuit. The circuit is turned on.
  • the data transmission mode adopted by FEM is time division multiplexing, or frequency division multiplexing.
  • the data transmission method adopted by FEM is time division multiplexing
  • one of all channel circuits in FEM receives or sends data through the antenna port.
  • all channel circuits in FEM exist at most A channel circuit receives or sends data through an antenna port.
  • M channel circuits in all channel circuits in the chip system receive or send data through antenna ports; among them, 1 ⁇ M ⁇ N, N is the number of communication ports, M is an integer and N is an integer.
  • M is greater than or equal to 2
  • any two channel circuits in the M channel circuits do not correspond to the same communication port.
  • at most one of the at least two channel circuits corresponding to the communication port can receive or send data through the antenna port.
  • FIG. 16 is a schematic structural diagram of another FEM provided by an embodiment of the application. Please refer to Figure 16, including the circuit in the TX path shown in Figure 9, the circuit in the RX path shown in Figure 13, and the filter. The first end of the filter is connected to the RX1 channel circuit, the RX2 channel circuit, and the TX1 channel circuit. Connect to the TX2 channel circuit, and the other end of the filter is connected to the antenna port P-ANT.
  • the connection relationship and working process of the components in the TX path and the RX path can be referred to the above-mentioned embodiments, which will not be repeated here.
  • the FEM 20 may include the TX path in any embodiment of FIGS. 4-10 and the RX path in any embodiment of FIGS. 11-14.
  • the data transmission mode adopted by FEM may be time division multiplexing or frequency division multiplexing.
  • the data transmission method adopted by FEM is usually time division multiplexing.
  • the data transmission method used by FEM is usually frequency division multiplexing.
  • the data transmission mode adopted by FEM is time division multiplexing
  • the filter can filter the transmitted data.
  • the filter can also perform filtering processing on the received data to achieve the limitation of the frequency of the received data within the frequency range corresponding to the RX path.
  • the FEM may also include two or more receiving channels, or the FEM may also include two or more sending channels.
  • the FEM includes two receiving channels as an example for description.
  • FIG. 17 is a schematic structural diagram of yet another FEM provided by an embodiment of the application.
  • FIG. 17 includes the circuits and filters in the two RX paths shown in Figure 13 (represented as RX path 1 and RX path 2).
  • the first end of the filter is connected to the RX11 channel circuit and the RX12 channel circuit
  • the RX21 channel circuit is connected to the RX22 channel circuit
  • the other end of the filter is connected to the antenna port P-ANT.
  • the connection relationship and working process of the components in the RX path 1 and the RX path 2 can be referred to the above-mentioned embodiment, which will not be repeated here.
  • the RX path included in the FEM 20 may be the RX path in any of the embodiments in FIGS. 11-14.
  • the data transmission mode adopted by FEM may be time division multiplexing or frequency division multiplexing.
  • the data transmission method adopted by FEM is usually time division multiplexing.
  • the data transmission method adopted by FEM is usually frequency division multiplexing.
  • the data transmission mode adopted by FEM is time division multiplexing
  • the data transmission method adopted by FEM is frequency division multiplexing
  • the frequency corresponding to RX channel 1 and the frequency corresponding to RX channel 2 are different.
  • data can be received through RX channel 1 and RX channel 2 at the same time.
  • the filter can perform data reception on the received data.
  • the first filtering process is to obtain data with a frequency in the frequency range corresponding to RX channel 1, and transmit the data to RX channel 1.
  • the filter can also perform a second filtering process on the received data to obtain the frequency in the RX channel.
  • the data in the frequency range corresponding to channel 2 is transmitted to the RX channel 2.
  • the FEM includes multiple (more than 2) receiving channels
  • the structure and working process of the FEM can be seen in FIG. 17, and details are not described here.
  • the structure and working process of the FEM can be seen in FIG. 17, which will not be repeated here.
  • FIG. 18 is a schematic structural diagram of another FEM provided by an embodiment of the application. On the basis of the embodiment shown in FIG. 4, please refer to FIG. 18.
  • the FEM 20 also includes a controller.
  • the function of the controller shown in the embodiment of FIG. 18 is the same as the function of the controller in the above-mentioned embodiment and the connection relationship with each component in the FEM 20, which will not be repeated here.
  • FIG. 19 is a schematic structural diagram of a circuit provided by an embodiment of the application. 19, the circuit 100 includes the FEM 20 and the radio frequency chip 60 shown in any of the above embodiments, the radio frequency chip 50 includes the controller shown in any of the above embodiments, the radio frequency chip is used to send data to the communication port, and/or , The radio frequency chip is used to receive data from the communication port.
  • the radio frequency chip 60 refer to the description of the radio frequency chip in the embodiment of FIG. 3, which will not be repeated here.
  • FIG. 20 is a schematic structural diagram of another wireless communication device according to an embodiment of this application.
  • the wireless communication device 90 includes the circuit 100 shown in the embodiment of FIG. 19, that is, the wireless communication device 90 includes an FEM 20 (the FEM 20 shown in any of the foregoing embodiments) and a radio frequency chip 60.
  • the wireless communication device 90 further includes a memory 70 connected to the controller, and the information stored in the memory 70 includes the first information.
  • the memory 70 can also be provided outside the radio frequency chip 60.
  • the wireless communication device 90 may also include a GPS module 80.
  • the GPS module 80 is used to obtain location information of the wireless communication device and send the location information to the controller.
  • the term “include” and its variations may mean non-limiting inclusion; the term “or” and its variations may mean “and/or”.
  • the terms “first”, “second”, etc. in this application are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence.
  • “plurality” means two or more.
  • “And/or” describes the association relationship of the associated objects, indicating that there can be three types of relationships, for example, A and/or B, which can mean: A alone exists, A and B exist at the same time, and B exists alone.
  • the character “/” generally indicates that the associated objects before and after are in an "or” relationship.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)

Abstract

Des modes de réalisation de la présente demande concernent un système de puce, un circuit et un dispositif de communication sans fil. Le système de puce comprend un port d'antenne, au moins un port de communication et au moins deux circuits de canal correspondant à chaque port de communication ; une première extrémité de chaque circuit de canal est connectée au port de communication correspondant et une deuxième extrémité de chaque circuit de canal est connectée au port d'antenne ; une troisième extrémité de chaque circuit de canal est connectée à un dispositif de commande, chaque circuit de canal est utilisé pour recevoir un signal de commande envoyé par le dispositif de commande et le signal de commande est utilisé pour commander des données reçues ou envoyées par le circuit de canal par l'intermédiaire du port d'antenne ; le signal de commande est généré par le dispositif de commande en fonction de premières informations et/ou de secondes informations du système de puce, les premières informations comprennent une version matérielle et/ou un code de pays et les secondes informations comprennent des informations de position et/ou une puissance et/ou une vitesse et/ou un taux d'erreur de paquet. L'universalité du système de puce s'en trouve améliorée.
PCT/CN2020/116387 2019-09-29 2020-09-21 Système de puce, circuit et dispositif de communication sans fil WO2021057637A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910935565.1 2019-09-29
CN201910935565.1A CN110875755B (zh) 2019-09-29 2019-09-29 芯片系统、电路及无线通信设备

Publications (1)

Publication Number Publication Date
WO2021057637A1 true WO2021057637A1 (fr) 2021-04-01

Family

ID=69718068

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/116387 WO2021057637A1 (fr) 2019-09-29 2020-09-21 Système de puce, circuit et dispositif de communication sans fil

Country Status (2)

Country Link
CN (1) CN110875755B (fr)
WO (1) WO2021057637A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110875755B (zh) * 2019-09-29 2022-04-19 荣耀终端有限公司 芯片系统、电路及无线通信设备

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060135084A1 (en) * 2004-12-22 2006-06-22 Airoha Technology Corp. RF front-end matching circuits for a transceiver module with T/R switch integrated in a transceiver chip
CN101303403A (zh) * 2007-06-11 2008-11-12 杭州中科微电子有限公司 多模式卫星导航接收射频前端芯片
CN101594163A (zh) * 2008-05-28 2009-12-02 北京中电华大电子设计有限责任公司 一种基于wlan的零中频结构实现收发的方法和装置
CN201937576U (zh) * 2011-02-18 2011-08-17 中国移动通信集团公司 一种射频前端接收装置、发射装置及终端
CN104601192A (zh) * 2013-11-01 2015-05-06 南京亚瑟电子科技有限公司 一种支持tdd和fdd同时工作的前端单元设计方案
CN110875755A (zh) * 2019-09-29 2020-03-10 华为技术有限公司 芯片系统、电路及无线通信设备

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060135084A1 (en) * 2004-12-22 2006-06-22 Airoha Technology Corp. RF front-end matching circuits for a transceiver module with T/R switch integrated in a transceiver chip
CN101303403A (zh) * 2007-06-11 2008-11-12 杭州中科微电子有限公司 多模式卫星导航接收射频前端芯片
CN101594163A (zh) * 2008-05-28 2009-12-02 北京中电华大电子设计有限责任公司 一种基于wlan的零中频结构实现收发的方法和装置
CN201937576U (zh) * 2011-02-18 2011-08-17 中国移动通信集团公司 一种射频前端接收装置、发射装置及终端
CN104601192A (zh) * 2013-11-01 2015-05-06 南京亚瑟电子科技有限公司 一种支持tdd和fdd同时工作的前端单元设计方案
CN110875755A (zh) * 2019-09-29 2020-03-10 华为技术有限公司 芯片系统、电路及无线通信设备

Also Published As

Publication number Publication date
CN110875755A (zh) 2020-03-10
CN110875755B (zh) 2022-04-19

Similar Documents

Publication Publication Date Title
US11757484B2 (en) Radio frequency front-end circuit and mobile terminal
US8824976B2 (en) Devices for switching an antenna
US9800443B2 (en) Multi-mode wireless terminal
US11569850B2 (en) Radio frequency front-end circuit and controller
US10129010B2 (en) Dual-mode radio system having a full-duplex mode and a half-duplex mode
WO2013063922A1 (fr) Appareil émetteur-récepteur radiofréquence, terminal et procédé de réception de signal du terminal
WO2012079411A1 (fr) Dispositif de communication sans fil à antenne commune et procédé de communication utilisant ce dispositif
CN108833701B (zh) 一种天线控制方法、天线系统及终端
WO2013063923A1 (fr) Module frontal radiofréquence, terminal multimode et procédé de transmission du signal du terminal multimode
WO2021017965A1 (fr) Module de communication et terminal
US20180212674A1 (en) System and methods for enabling simultaneous transmit and receive in the same wifi band within a device
WO2021057637A1 (fr) Système de puce, circuit et dispositif de communication sans fil
WO2023236530A1 (fr) Dispositif mid pa radiofréquence, système radiofréquence, et appareil de communication
CN217010858U (zh) 一种射频电路和电子设备
WO2023280159A1 (fr) Procédé de transmission de signal et dispositif de communication sans fil
CN107182133B (zh) 一种wifi信号中继装置及其控制方法
US8718705B2 (en) Dual mode communications device and method of improving data rate thereof
US11901920B2 (en) Front-end circuit, diversity circuit, and communication device
CN210246745U (zh) 一种射频控制电路及移动终端
US20230318574A1 (en) Reconfigurable Filter
US20240172281A1 (en) Apparatus, system, and method of multi-link operation (mlo) with a millimeter wave (mmwave) link
CN115102569A (zh) 一种射频系统、天线切换方法和电子设备
WO2018035659A1 (fr) Système de réseau ip sur rf
KR20030078153A (ko) 이동통신 기지국의 디지털 유니트

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20868010

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20868010

Country of ref document: EP

Kind code of ref document: A1